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Example: A worker lifts 10 kg boxes from the conveyor to the cart ten times every minute for two-hours.
To calculate the recommended weight limit (RWL) for the task:
Weight - 10 kg
H (Horizontal Distance - 20 cm
V (Vertical Distance) - 75 cm
D (Lifting/ carrying Distance) - 0 cm
F (Frequency) - 6 sec
A (Angle) - 90°
C (Coupling/quality of grip) - fair
23 kg x 1.00 x 0.93 x 1.00 x 0.13 x 0.71 x 0.95 = 1.86 kg
The weight of the load at 10 kg is higher than the calculated recommended weight limit of 1.86 kg.
Therefore, TASK IS DANGEROUS.
23 kg x 1.00 x 0.93 x 1.00 x 0.75 x 0.71 x 0.95 = 10.82 kg
The weight of the load at 10 kg is now lower than the weight limit calculated to be 10.82 kg.
Therefore, MOST WORKERS CAN SAFELY PERFORM THE TASK.
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Although every effort is made to ensure the accuracy, currency and completeness of the information, CCOHS does not guarantee, warrant, represent or undertake that the information provided is correct, accurate or current. CCOHS is not liable for any loss, claim, or demand arising directly or indirectly from any use or reliance upon the information.